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Full Discussion: function call in executable
Top Forums Programming function call in executable Post 96716 by rocky_74 on Monday 23rd of January 2006 05:54:05 AM
Old 01-23-2006
function call in executable
Hi,
I want to write a program in C or in Perl which will tell me that a function is called in which executables.
I tried to use the unix command like 'nm', 'strings' and so on to find out whether a function is called in that executable or not but could not able to find a clue. The whole object is dummed inside the executable and it does not specifiy me whether the function is really called or not.
The function is a seperate file with several other function. If either of the function is called from that object file then the whole object is dumped inside the executable which does not show whether the function in the object file is really called in the exe.

ex : file test1.c has function test1(), test2() and test3() which will only create object test1.o
there is 3 executable exe1 , exe2 and exe3
exe1 is calling test1() which means test1.o will be dummped whole.
exe2 is calling test2() which means test1.o will be also dumped here
exe3 is calling test3() which means test1.o will be also dumped here

i need to know in which exe test2() is really called which means only exe2 should come in the result.
Please give me some hint since i need the answer as soon as possible.

Thanks.
Last edited by rocky_74; 01-23-2006 at 09:10 AM..
 

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LEARN ABOUT SUSE

gpg-zip

GPG-ZIP(1)							 GNU Privacy Guard							GPG-ZIP(1)

NAME

       gpg-zip - Encrypt or sign files into an archive

SYNOPSIS

       gpg-zip [options] filename1 [ filename2, ... ] directory1 [ directory2, ... ]

DESCRIPTION

       gpg-zip encrypts or signs files into an archive.  It is an gpg-ized tar using the same format as used by PGP's PGP Zip.

OPTIONS

       gpg-zip understands these options:

       --encrypt

       -e     Encrypt data.  This option may be combined with --symmetric (for	output that may be decrypted via a secret key or a passphrase).

       --decrypt

       -d     Decrypt data.

       --symmetric

       -c     Encrypt  with  a	symmetric  cipher  using  a  passphrase.   The	default symmetric cipher used is CAST5, but may be chosen with the
	      --cipher-algo option to gpg.

       --sign

       -s     Make a signature.  See gpg.

       --recipient user

       -r user
	      Encrypt for user id user. See gpg.

       --local-user user

       -u user
	      Use user as the key to sign with.  See gpg.

       --list-archive
	      List the contents of the specified archive.

       --output file

       -o file
	      Write output to specified file file.

       --gpg gpgcmd
	      Use the specified command gpgcmd instead of gpg.

       --gpg-args args
	      Pass the specified options to gpg.

       --tar tarcmd
	      Use the specified command tarcmd instead of tar.

       --tar-args args
	      Pass the specified options to tar.

       --version
	      Print version of the program and exit.

       --help Display a brief help page and exit.

EXAMPLES

       Encrypt the contents of directory 'mydocs' for user Bob to file 'test1':

	 gpg-zip --encrypt --output test1 --gpg-args  -r Bob mydocs

       List the contents of archive 'test1':

	 gpg-zip --list-archive test1

DIAGNOSTICS

       The program returns 0 if everything was fine, 1 otherwise.

SEE ALSO

       gpg(1), tar(1),

       The full documentation for this tool is maintained as a Texinfo manual.	If GnuPG and the info program are properly installed at your site,
       the command

	 info gnupg

       should give you access to the complete manual including a menu structure and an index.

GnuPG 2.0.15							    2010-07-05								GPG-ZIP(1)
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